saga/seata-saga-engine/src/main/java/io/seata/saga/engine/repo/StateMachineRepository.java
<reponame>tyc1210/seata-1/*
 *  Copyright 1999-2019 Seata.io Group.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package io.seata.saga.engine.repo;

import java.io.IOException;

import io.seata.saga.statelang.domain.StateMachine;
import org.springframework.core.io.Resource;

/**
 * StateMachineRepository
 *
 * @author lorne.cl
 */
public interface StateMachineRepository {

    /**
     * Gets get state machine by id.
     *
     * @param stateMachineId the state machine id
     * @return the get state machine by id
     */
    StateMachine getStateMachineById(String stateMachineId);

    /**
     * Gets get state machine.
     *
     * @param stateMachineName the state machine name
     * @param tenantId         the tenant id
     * @return the get state machine
     */
    StateMachine getStateMachine(String stateMachineName, String tenantId);

    /**
     * Gets get state machine.
     *
     * @param stateMachineName the state machine name
     * @param tenantId         the tenant id
     * @param version          the version
     * @return the get state machine
     */
    StateMachine getStateMachine(String stateMachineName, String tenantId, String version);

    /**
     * Register the state machine to the repository (if the same version already exists, return the existing version)
     *
     * @param stateMachine
     */
    StateMachine registryStateMachine(StateMachine stateMachine);

    /**
     * registry by resources
     *
     * @param resources
     * @param tenantId
     */
    void registryByResources(Resource[] resources, String tenantId) throws IOException;
}